Lines Matching refs:sbi
29 void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
32 f2fs_build_fault_attr(sbi, 0, 0);
34 f2fs_flush_merged_writes(sbi);
35 f2fs_handle_critical_error(sbi, reason, end_io);
41 struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
43 struct address_space *mapping = META_MAPPING(sbi);
57 static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
60 struct address_space *mapping = META_MAPPING(sbi);
63 .sbi = sbi,
93 f2fs_update_iostat(sbi, NULL, FS_META_READ_IO, F2FS_BLKSIZE);
102 f2fs_handle_page_eio(sbi, page->index, META);
110 struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
112 return __get_meta_page(sbi, index, true);
115 struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index)
121 page = __get_meta_page(sbi, index, true);
126 f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_META_PAGE);
132 struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)
134 return __get_meta_page(sbi, index, false);
137 static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
147 segno = GET_SEGNO(sbi, blkaddr);
148 offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
149 se = get_seg_entry(sbi, segno);
154 if (unlikely(f2fs_cp_error(sbi)))
158 f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
160 set_sbi_flag(sbi, SBI_NEED_FSCK);
165 f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
167 set_sbi_flag(sbi, SBI_NEED_FSCK);
173 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
176 if (time_to_inject(sbi, FAULT_BLKADDR))
183 if (unlikely(blkaddr >= SIT_BLK_CNT(sbi)))
187 if (unlikely(blkaddr >= MAIN_BLKADDR(sbi) ||
188 blkaddr < SM_I(sbi)->ssa_blkaddr))
192 if (unlikely(blkaddr >= SIT_I(sbi)->sit_base_addr ||
193 blkaddr < __start_cp_addr(sbi)))
197 if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
198 blkaddr < MAIN_BLKADDR(sbi)))
205 if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
206 blkaddr < MAIN_BLKADDR(sbi))) {
209 if (unlikely(f2fs_cp_error(sbi)))
212 f2fs_warn(sbi, "access invalid blkaddr:%u",
214 set_sbi_flag(sbi, SBI_NEED_FSCK);
218 return __is_bitmap_valid(sbi, blkaddr, type);
222 if (unlikely(blkaddr < SEG0_BLKADDR(sbi) ||
223 blkaddr >= MAIN_BLKADDR(sbi)))
236 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
242 .sbi = sbi,
259 if (!f2fs_is_valid_blkaddr(sbi, blkno, type))
265 NAT_BLOCK_OFFSET(NM_I(sbi)->max_nid)))
268 fio.new_blkaddr = current_nat_addr(sbi,
272 if (unlikely(blkno >= TOTAL_SEGS(sbi)))
275 fio.new_blkaddr = current_sit_addr(sbi,
287 page = f2fs_grab_cache_page(META_MAPPING(sbi),
301 f2fs_update_iostat(sbi, NULL, FS_META_READ_IO,
309 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index,
318 page = find_get_page(META_MAPPING(sbi), index);
324 f2fs_ra_meta_pages(sbi, index, ra_blocks, META_POR, true);
331 struct f2fs_sb_info *sbi = F2FS_P_SB(page);
335 if (unlikely(f2fs_cp_error(sbi))) {
336 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) {
338 dec_page_count(sbi, F2FS_DIRTY_META);
344 if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
346 if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
349 f2fs_do_write_meta_page(sbi, page, io_type);
350 dec_page_count(sbi, F2FS_DIRTY_META);
353 f2fs_submit_merged_write_cond(sbi, NULL, page, 0, META);
357 if (unlikely(f2fs_cp_error(sbi)))
358 f2fs_submit_merged_write(sbi, META);
376 struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
379 if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
384 get_pages(sbi, F2FS_DIRTY_META) <
385 nr_pages_to_skip(sbi, META))
389 if (!f2fs_down_write_trylock(&sbi->cp_global_sem))
393 diff = nr_pages_to_write(sbi, META, wbc);
394 written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
395 f2fs_up_write(&sbi->cp_global_sem);
400 wbc->pages_skipped += get_pages(sbi, F2FS_DIRTY_META);
405 long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
408 struct address_space *mapping = META_MAPPING(sbi);
470 f2fs_submit_merged_write(sbi, type);
501 static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino,
504 struct inode_management *im = &sbi->im[type];
530 f2fs_bug_on(sbi, 1);
550 static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
552 struct inode_management *im = &sbi->im[type];
568 void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
571 __add_ino_entry(sbi, ino, 0, type);
574 void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
577 __remove_ino_entry(sbi, ino, type);
581 bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
583 struct inode_management *im = &sbi->im[mode];
592 void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all)
598 struct inode_management *im = &sbi->im[i];
611 void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
614 __add_ino_entry(sbi, ino, devidx, type);
617 bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
620 struct inode_management *im = &sbi->im[type];
632 int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)
634 struct inode_management *im = &sbi->im[ORPHAN_INO];
639 if (time_to_inject(sbi, FAULT_ORPHAN)) {
644 if (unlikely(im->ino_num >= sbi->max_orphans))
653 void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi)
655 struct inode_management *im = &sbi->im[ORPHAN_INO];
658 f2fs_bug_on(sbi, im->ino_num == 0);
670 void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
673 __remove_ino_entry(sbi, ino, ORPHAN_INO);
676 static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
682 inode = f2fs_iget_retry(sbi->sb, ino);
688 f2fs_bug_on(sbi, PTR_ERR(inode) == -ENOENT);
703 err = f2fs_get_node_info(sbi, ino, &ni, false);
715 set_sbi_flag(sbi, SBI_NEED_FSCK);
716 f2fs_warn(sbi, "%s: orphan failed (ino=%x), run fsck to fix.",
721 int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
726 if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG))
729 if (f2fs_hw_is_readonly(sbi)) {
730 f2fs_info(sbi, "write access unavailable, skipping orphan cleanup");
734 if (is_sbi_flag_set(sbi, SBI_IS_WRITABLE))
735 f2fs_info(sbi, "orphan cleanup on readonly fs");
737 start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
738 orphan_blocks = __start_sum_addr(sbi) - 1 - __cp_payload(sbi);
740 f2fs_ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
746 page = f2fs_get_meta_page(sbi, start_blk + i);
756 err = recover_orphan_inode(sbi, ino);
765 clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
767 set_sbi_flag(sbi, SBI_IS_RECOVERED);
772 static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
781 struct inode_management *im = &sbi->im[ORPHAN_INO];
795 page = f2fs_grab_meta_page(sbi, start_blk++);
829 static __u32 f2fs_checkpoint_chksum(struct f2fs_sb_info *sbi,
835 chksum = f2fs_crc32(sbi, ckpt, chksum_ofs);
838 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ckpt + chksum_ofs,
844 static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
851 *cp_page = f2fs_get_meta_page(sbi, cp_addr);
861 f2fs_warn(sbi, "invalid crc_offset: %zu", crc_offset);
865 crc = f2fs_checkpoint_chksum(sbi, *cp_block);
868 f2fs_warn(sbi, "invalid crc value");
876 static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
885 err = get_checkpoint_version(sbi, cp_addr, &cp_block,
892 if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
893 f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
900 err = get_checkpoint_version(sbi, cp_addr, &cp_block,
917 int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
920 struct f2fs_super_block *fsb = sbi->raw_super;
922 unsigned long blk_size = sbi->blocksize;
925 unsigned int cp_blks = 1 + __cp_payload(sbi);
930 sbi->ckpt = f2fs_kvzalloc(sbi, array_size(blk_size, cp_blks),
932 if (!sbi->ckpt)
939 cp1 = validate_checkpoint(sbi, cp_start_blk_no, &cp1_version);
944 cp2 = validate_checkpoint(sbi, cp_start_blk_no, &cp2_version);
961 memcpy(sbi->ckpt, cp_block, blk_size);
964 sbi->cur_cp_pack = 1;
966 sbi->cur_cp_pack = 2;
969 if (f2fs_sanity_check_ckpt(sbi)) {
983 unsigned char *ckpt = (unsigned char *)sbi->ckpt;
985 cur_page = f2fs_get_meta_page(sbi, cp_blk_no + i);
1003 kvfree(sbi->ckpt);
1009 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
1016 list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]);
1017 stat_inc_dirty_inode(sbi, type);
1034 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
1041 spin_lock(&sbi->inode_lock[type]);
1042 if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH))
1045 spin_unlock(&sbi->inode_lock[type]);
1052 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
1059 if (type == FILE_INODE && !test_opt(sbi, DATA_FLUSH))
1062 spin_lock(&sbi->inode_lock[type]);
1064 spin_unlock(&sbi->inode_lock[type]);
1067 int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type,
1076 trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,
1077 get_pages(sbi, is_dir ?
1080 if (unlikely(f2fs_cp_error(sbi))) {
1081 trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
1082 get_pages(sbi, is_dir ?
1087 spin_lock(&sbi->inode_lock[type]);
1089 head = &sbi->inode_list[type];
1091 spin_unlock(&sbi->inode_lock[type]);
1092 trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
1093 get_pages(sbi, is_dir ?
1099 spin_unlock(&sbi->inode_lock[type]);
1124 f2fs_submit_merged_write(sbi, DATA);
1130 static int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
1132 struct list_head *head = &sbi->inode_list[DIRTY_META];
1135 s64 total = get_pages(sbi, F2FS_DIRTY_IMETA);
1138 if (unlikely(f2fs_cp_error(sbi)))
1141 spin_lock(&sbi->inode_lock[DIRTY_META]);
1143 spin_unlock(&sbi->inode_lock[DIRTY_META]);
1149 spin_unlock(&sbi->inode_lock[DIRTY_META]);
1162 static void __prepare_cp_block(struct f2fs_sb_info *sbi)
1164 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
1165 struct f2fs_nm_info *nm_i = NM_I(sbi);
1168 next_free_nid(sbi, &last_nid);
1169 ckpt->valid_block_count = cpu_to_le64(valid_user_blocks(sbi));
1170 ckpt->valid_node_count = cpu_to_le32(valid_node_count(sbi));
1171 ckpt->valid_inode_count = cpu_to_le32(valid_inode_count(sbi));
1175 static bool __need_flush_quota(struct f2fs_sb_info *sbi)
1179 if (!is_journalled_quota(sbi))
1182 if (!f2fs_down_write_trylock(&sbi->quota_sem))
1184 if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) {
1186 } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)) {
1188 } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH)) {
1189 clear_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
1191 } else if (get_pages(sbi, F2FS_DIRTY_QDATA)) {
1194 f2fs_up_write(&sbi->quota_sem);
1201 static int block_operations(struct f2fs_sb_info *sbi)
1213 f2fs_flush_inline_data(sbi);
1216 f2fs_lock_all(sbi);
1217 if (__need_flush_quota(sbi)) {
1221 set_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
1222 set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
1225 f2fs_unlock_all(sbi);
1228 locked = down_read_trylock(&sbi->sb->s_umount);
1229 f2fs_quota_sync(sbi->sb, -1);
1231 up_read(&sbi->sb->s_umount);
1238 if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
1239 f2fs_unlock_all(sbi);
1240 err = f2fs_sync_dirty_inodes(sbi, DIR_INODE, true);
1251 f2fs_down_write(&sbi->node_change);
1253 if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
1254 f2fs_up_write(&sbi->node_change);
1255 f2fs_unlock_all(sbi);
1256 err = f2fs_sync_inode_meta(sbi);
1264 f2fs_down_write(&sbi->node_write);
1266 if (get_pages(sbi, F2FS_DIRTY_NODES)) {
1267 f2fs_up_write(&sbi->node_write);
1268 atomic_inc(&sbi->wb_sync_req[NODE]);
1269 err = f2fs_sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
1270 atomic_dec(&sbi->wb_sync_req[NODE]);
1272 f2fs_up_write(&sbi->node_change);
1273 f2fs_unlock_all(sbi);
1281 * sbi->node_change is used only for AIO write_begin path which produces
1284 __prepare_cp_block(sbi);
1285 f2fs_up_write(&sbi->node_change);
1289 static void unblock_operations(struct f2fs_sb_info *sbi)
1291 f2fs_up_write(&sbi->node_write);
1292 f2fs_unlock_all(sbi);
1295 void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type)
1300 if (!get_pages(sbi, type))
1303 if (unlikely(f2fs_cp_error(sbi) &&
1304 !is_sbi_flag_set(sbi, SBI_IS_CLOSE)))
1308 f2fs_sync_meta_pages(sbi, META, LONG_MAX,
1311 f2fs_submit_merged_write(sbi, DATA);
1313 prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
1316 finish_wait(&sbi->cp_wait, &wait);
1319 static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
1321 unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num;
1322 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
1327 NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
1328 clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
1329 f2fs_notice(sbi, "Disable nat_bits due to no space");
1330 } else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
1331 f2fs_nat_bitmap_enabled(sbi)) {
1332 f2fs_enable_nat_bits(sbi);
1333 set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
1334 f2fs_notice(sbi, "Rebuild and enable nat_bits");
1338 spin_lock_irqsave(&sbi->cp_lock, flags);
1360 if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
1363 if (is_sbi_flag_set(sbi, SBI_IS_RESIZEFS))
1368 if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
1373 if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK))
1378 if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
1383 if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
1390 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1393 static void commit_checkpoint(struct f2fs_sb_info *sbi,
1405 struct page *page = f2fs_grab_meta_page(sbi, blk_addr);
1414 f2fs_bug_on(sbi, 1);
1418 if (unlikely(err && f2fs_cp_error(sbi))) {
1423 f2fs_bug_on(sbi, err);
1427 f2fs_submit_merged_write(sbi, META_FLUSH);
1435 u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi)
1437 if (f2fs_is_multi_device(sbi)) {
1441 for (i = 0; i < sbi->s_ndevs; i++)
1447 return get_sectors_written(sbi->sb->s_bdev);
1450 static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
1452 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
1453 struct f2fs_nm_info *nm_i = NM_I(sbi);
1454 unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num, flags;
1459 int cp_payload_blks = __cp_payload(sbi);
1460 struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
1465 f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
1468 ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi, true));
1469 ckpt->free_segment_count = cpu_to_le32(free_segments(sbi));
1471 struct curseg_info *curseg = CURSEG_I(sbi, i + CURSEG_HOT_NODE);
1478 struct curseg_info *curseg = CURSEG_I(sbi, i + CURSEG_HOT_DATA);
1486 data_sum_blocks = f2fs_npages_for_summary_flush(sbi, false);
1487 spin_lock_irqsave(&sbi->cp_lock, flags);
1492 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1508 update_ckpt_flags(sbi, cpc);
1511 get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
1512 get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
1514 crc32 = f2fs_checkpoint_chksum(sbi, ckpt);
1519 start_blk = __start_cp_next_addr(sbi);
1523 is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG)) {
1530 blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
1532 f2fs_update_meta_page(sbi, nm_i->nat_bits +
1537 f2fs_update_meta_page(sbi, ckpt, start_blk++);
1540 f2fs_update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
1544 write_orphan_inodes(sbi, start_blk);
1548 f2fs_write_data_summaries(sbi, start_blk);
1552 kbytes_written = sbi->kbytes_written;
1553 kbytes_written += (f2fs_get_sectors_written(sbi) -
1554 sbi->sectors_written_start) >> 1;
1558 f2fs_write_node_summaries(sbi, start_blk);
1563 sbi->last_valid_block_count = sbi->total_valid_block_count;
1564 percpu_counter_set(&sbi->alloc_valid_block_count, 0);
1565 percpu_counter_set(&sbi->rf_node_block_count, 0);
1568 f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
1570 f2fs_wait_on_all_pages(sbi, F2FS_DIRTY_META);
1573 f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
1576 err = f2fs_flush_device_cache(sbi);
1581 commit_checkpoint(sbi, ckpt, start_blk);
1582 f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
1588 if (f2fs_sb_has_encrypt(sbi) || f2fs_sb_has_verity(sbi) ||
1589 f2fs_sb_has_compression(sbi))
1590 f2fs_bug_on(sbi,
1591 invalidate_inode_pages2_range(META_MAPPING(sbi),
1592 MAIN_BLKADDR(sbi), MAX_BLKADDR(sbi) - 1));
1594 f2fs_release_ino_entry(sbi, false);
1596 f2fs_reset_fsync_node_info(sbi);
1598 clear_sbi_flag(sbi, SBI_IS_DIRTY);
1599 clear_sbi_flag(sbi, SBI_NEED_CP);
1600 clear_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
1602 spin_lock(&sbi->stat_lock);
1603 sbi->unusable_block_count = 0;
1604 spin_unlock(&sbi->stat_lock);
1606 __set_cp_next_pack(sbi);
1612 if (get_pages(sbi, F2FS_DIRTY_NODES) ||
1613 get_pages(sbi, F2FS_DIRTY_IMETA))
1614 set_sbi_flag(sbi, SBI_IS_DIRTY);
1616 f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_DENTS));
1618 return unlikely(f2fs_cp_error(sbi)) ? -EIO : 0;
1621 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
1623 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
1627 if (f2fs_readonly(sbi->sb) || f2fs_hw_is_readonly(sbi))
1630 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
1633 f2fs_warn(sbi, "Start checkpoint disabled!");
1636 f2fs_down_write(&sbi->cp_global_sem);
1638 if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
1640 ((cpc->reason & CP_DISCARD) && !sbi->discard_blks)))
1642 if (unlikely(f2fs_cp_error(sbi))) {
1647 trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");
1649 err = block_operations(sbi);
1653 trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
1655 f2fs_flush_merged_writes(sbi);
1659 if (!f2fs_exist_trim_candidates(sbi, cpc)) {
1660 unblock_operations(sbi);
1664 if (NM_I(sbi)->nat_cnt[DIRTY_NAT] == 0 &&
1665 SIT_I(sbi)->dirty_sentries == 0 &&
1666 prefree_segments(sbi) == 0) {
1667 f2fs_flush_sit_entries(sbi, cpc);
1668 f2fs_clear_prefree_segments(sbi, cpc);
1669 unblock_operations(sbi);
1683 err = f2fs_flush_nat_entries(sbi, cpc);
1685 f2fs_err(sbi, "f2fs_flush_nat_entries failed err:%d, stop checkpoint", err);
1686 f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
1690 f2fs_flush_sit_entries(sbi, cpc);
1693 f2fs_save_inmem_curseg(sbi);
1695 err = do_checkpoint(sbi, cpc);
1697 f2fs_err(sbi, "do_checkpoint failed err:%d, stop checkpoint", err);
1698 f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
1699 f2fs_release_discard_addrs(sbi);
1701 f2fs_clear_prefree_segments(sbi, cpc);
1704 f2fs_restore_inmem_curseg(sbi);
1705 stat_inc_cp_count(sbi);
1707 unblock_operations(sbi);
1710 f2fs_notice(sbi, "checkpoint: version = %llx", ckpt_ver);
1713 f2fs_update_time(sbi, CP_TIME);
1714 trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
1717 f2fs_up_write(&sbi->cp_global_sem);
1721 void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
1726 struct inode_management *im = &sbi->im[i];
1734 sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
1735 NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
1760 static int __write_checkpoint_sync(struct f2fs_sb_info *sbi)
1765 f2fs_down_write(&sbi->gc_lock);
1766 err = f2fs_write_checkpoint(sbi, &cpc);
1767 f2fs_up_write(&sbi->gc_lock);
1772 static void __checkpoint_and_complete_reqs(struct f2fs_sb_info *sbi)
1774 struct ckpt_req_control *cprc = &sbi->cprc_info;
1785 ret = __write_checkpoint_sync(sbi);
1808 struct f2fs_sb_info *sbi = data;
1809 struct ckpt_req_control *cprc = &sbi->cprc_info;
1816 __checkpoint_and_complete_reqs(sbi);
1823 static void flush_remained_ckpt_reqs(struct f2fs_sb_info *sbi,
1826 struct ckpt_req_control *cprc = &sbi->cprc_info;
1829 __checkpoint_and_complete_reqs(sbi);
1845 int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi)
1847 struct ckpt_req_control *cprc = &sbi->cprc_info;
1851 cpc.reason = __get_cp_reason(sbi);
1852 if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC) {
1855 f2fs_down_write(&sbi->gc_lock);
1856 ret = f2fs_write_checkpoint(sbi, &cpc);
1857 f2fs_up_write(&sbi->gc_lock);
1863 return __write_checkpoint_sync(sbi);
1883 flush_remained_ckpt_reqs(sbi, &req);
1888 int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi)
1890 dev_t dev = sbi->sb->s_bdev->bd_dev;
1891 struct ckpt_req_control *cprc = &sbi->cprc_info;
1896 cprc->f2fs_issue_ckpt = kthread_run(issue_checkpoint_thread, sbi,
1910 void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi)
1912 struct ckpt_req_control *cprc = &sbi->cprc_info;
1922 f2fs_flush_ckpt_thread(sbi);
1925 void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi)
1927 struct ckpt_req_control *cprc = &sbi->cprc_info;
1929 flush_remained_ckpt_reqs(sbi, NULL);
1936 void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi)
1938 struct ckpt_req_control *cprc = &sbi->cprc_info;